// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// HttpBasicStream is a simple implementation of HttpStream.  It assumes it is
// not sharing a sharing with any other HttpStreams, therefore it just reads and
// writes directly to the Http Stream.

#ifndef NET_HTTP_HTTP_BASIC_STREAM_H_
#define NET_HTTP_HTTP_BASIC_STREAM_H_

#include <stdint.h>

#include <string>

#include "base/macros.h"
#include "net/base/net_export.h"
#include "net/http/http_basic_state.h"
#include "net/http/http_stream.h"

namespace net {

class BoundNetLog;
class ClientSocketHandle;
class HttpResponseInfo;
struct HttpRequestInfo;
class HttpRequestHeaders;
class HttpStreamParser;
class IOBuffer;

class NET_EXPORT_PRIVATE HttpBasicStream : public HttpStream {
public:
    // Constructs a new HttpBasicStream. InitializeStream must be called to
    // initialize it correctly.
    HttpBasicStream(ClientSocketHandle* connection, bool using_proxy);
    ~HttpBasicStream() override;

    // HttpStream methods:
    int InitializeStream(const HttpRequestInfo* request_info,
        RequestPriority priority,
        const BoundNetLog& net_log,
        const CompletionCallback& callback) override;

    int SendRequest(const HttpRequestHeaders& headers,
        HttpResponseInfo* response,
        const CompletionCallback& callback) override;

    UploadProgress GetUploadProgress() const override;

    int ReadResponseHeaders(const CompletionCallback& callback) override;

    int ReadResponseBody(IOBuffer* buf,
        int buf_len,
        const CompletionCallback& callback) override;

    void Close(bool not_reusable) override;

    HttpStream* RenewStreamForAuth() override;

    bool IsResponseBodyComplete() const override;

    bool IsConnectionReused() const override;

    void SetConnectionReused() override;

    bool CanReuseConnection() const override;

    int64_t GetTotalReceivedBytes() const override;

    int64_t GetTotalSentBytes() const override;

    bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;

    void GetSSLInfo(SSLInfo* ssl_info) override;

    void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override;

    bool GetRemoteEndpoint(IPEndPoint* endpoint) override;

    Error GetSignedEKMForTokenBinding(crypto::ECPrivateKey* key,
        std::vector<uint8_t>* out) override;

    void Drain(HttpNetworkSession* session) override;

    void PopulateNetErrorDetails(NetErrorDetails* details) override;

    void SetPriority(RequestPriority priority) override;

private:
    HttpStreamParser* parser() const { return state_.parser(); }

    HttpBasicState state_;

    DISALLOW_COPY_AND_ASSIGN(HttpBasicStream);
};

} // namespace net

#endif // NET_HTTP_HTTP_BASIC_STREAM_H_
